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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1857 | 1 |
| 1892 | 1 |
| 1895 | 1 |
| 1898 | 2 |
| 1904 | 1 |
| 1909 | 1 |
| 1912 | 1 |
| 1913 | 4 |
| 1922 | 1 |
| 1923 | 1 |
| 1924 | 2 |
| 1927 | 1 |
| 1928 | 1 |
| 1929 | 1 |
| 1930 | 1 |
| 1936 | 2 |
| 1939 | 3 |
| 1941 | 3 |
| 1942 | 2 |
| 1946 | 13 |
| 1947 | 20 |
| 1948 | 17 |
| 1949 | 17 |
| 1950 | 11 |
| 1951 | 12 |
| 1952 | 11 |
| 1953 | 21 |
| 1954 | 20 |
| 1955 | 16 |
| 1956 | 13 |
| 1957 | 18 |
| 1958 | 16 |
| 1959 | 19 |
| 1960 | 18 |
| 1961 | 18 |
| 1962 | 13 |
| 1963 | 10 |
| 1964 | 31 |
| 1965 | 22 |
| 1966 | 20 |
| 1967 | 29 |
| 1968 | 22 |
| 1969 | 24 |
| 1970 | 30 |
| 1971 | 39 |
| 1972 | 33 |
| 1973 | 38 |
| 1974 | 36 |
| 1975 | 54 |
| 1976 | 43 |
| 1977 | 48 |
| 1978 | 50 |
| 1979 | 52 |
| 1980 | 71 |
| 1981 | 66 |
| 1982 | 77 |
| 1983 | 64 |
| 1984 | 67 |
| 1985 | 81 |
| 1986 | 68 |
| 1987 | 83 |
| 1988 | 104 |
| 1989 | 93 |
| 1990 | 87 |
| 1991 | 88 |
| 1992 | 94 |
| 1993 | 96 |
| 1994 | 103 |
| 1995 | 90 |
| 1996 | 99 |
| 1997 | 106 |
| 1998 | 106 |
| 1999 | 112 |
| 2000 | 125 |
| 2001 | 95 |
| 2002 | 99 |
| 2003 | 109 |
| 2004 | 141 |
| 2005 | 127 |
| 2006 | 140 |
| 2007 | 148 |
| 2008 | 138 |
| 2009 | 152 |
| 2010 | 133 |
| 2011 | 159 |
| 2012 | 161 |
| 2013 | 166 |
| 2014 | 181 |
| 2015 | 174 |
| 2016 | 193 |
| 2017 | 187 |
| 2018 | 165 |
| 2019 | 198 |
| 2020 | 222 |
| 2021 | 277 |
| 2022 | 212 |
| 2023 | 203 |
| 2024 | 161 |